/*
 * Licensed to Crate.io GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate licenses
 * this file to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

package io.crate.expression.scalar.postgres;

import static io.crate.testing.Asserts.isLiteral;

import org.junit.Test;

import io.crate.expression.scalar.ScalarTestCase;
import io.crate.expression.symbol.Literal;
import io.crate.metadata.pgcatalog.OidHash;
import io.crate.role.Role;

public class PgGetUserByIdFunctionTest extends ScalarTestCase {

    @Test
    public void testPgGetUserById() {
        assertEvaluate("pg_get_userbyid('1')", "unknown (OID=1)");
        assertNormalize("pg_get_userbyid(2)", isLiteral("unknown (OID=2)"));
        assertEvaluate("pg_get_userbyid(?)", "crate", Literal.of(OidHash.userOid("crate")));
    }

    @Test
    public void testPgGetUserByIdWithNullArgument() {
        assertEvaluateNull("pg_get_userbyid(null)");
    }

    @Test
    public void testPgGetUserByIdWithFQN() {
        assertEvaluate("pg_catalog.pg_get_userbyid(1)", "unknown (OID=1)");
        assertEvaluate(
            "pg_catalog.pg_get_userbyid(?)",
            Role.CRATE_USER.name(),
            Literal.of(OidHash.userOid("crate"))
        );
    }
}
